Forum: Powertrain

What do you expect from an exhaust system? What do you perfer in the exhaust tone, Sleeper, aggresive, or all out race. The more information you can...

I was just wondering if anyone's got an LS6 cam in their 6.0. A friend of mine wants to do it to his '01 2500 ecsb (not HD). He's getting the cam...

I have an 02 GMC Yukon XL that I will be using for towing about 8000# of trailer in a Toy Hauler that is hitched behind. For the most part, the SUV...

Ok guys heres the rundown, over the past few days I have noticed a noise that sounds alot like a really loud exhaust leak, not hissy, the rattling...

Anyone know where I can find a Yank 2600 Torque Converter in stock for a 1999 Chevy Silverado with 5.3, 3.73 gears.. Only minor mods to truck. ...

Ok, I pulled some of my plugs today to check and see what shape they were in to make sure i dont have any problems. I posted yesterday about a noise...

Hey guys, A buddy brought his truck over today and it's smoking like a mofo! He admitted to puttin way tooooooo much oil in the engine, not sure...

What transmission does the vortexmax have? 4L65E or 4L80E? The reason I'am asking is b/c in the 06 Silverado brochure it says the vortexmax comes...

Hey guys, I have a used converter from my old 60e, from when it was in my truck. The trans never completely failed, it just slipped on the topend,...

:cry: Anybody know what type of rear end came in a 64 impy??looks like a ford 8.8..no 12 bolt or 10 bolt :nutz: :whack: :doh: :duh:

Hey Fellas, read this site daily, rarely post unless I have something to add. I have a 99 NBS ECSB Z-71. only mods are Ultimatepd Air Intake, PV...

Wassup Yall, I'm going to see if yall can help me decide I'm tring to decide between a Rock-On Level 5 4L60e or just putting a 4L80 in there and...

:help: I was wondering if I cut out my cats what will i need to do to keep my truck running right? I know the guy at the inspection booth so that is...

does anyone make a ypipe that has no cats that will directly replace stock????

Guys I have a 2001 5.3 with a 4L60E trans. in a early model p.u. As you know the early models had mechanical speedometers. Also that the 4L60E was...

My 4.8 powered ( or should I say underpowered) GMC is showing a 0335 code after I installed the new transmission. So my main question is where is the...

I just bought a brand new set of these (88958622) and was wondering if anyone makes a head gasket to lower the compression ratio? I'm also running...

i have a 6.0 motor with 317 casting on the heads,are these heads for lq9 or lq4.the motor was free and needs pistons ,just wondering if these are...

2.02 1.57 PP milled .005 can i run them as is or can i mill them another .010 to bring the CR up or will that be to much mill? will i need shorter...

Lately my 1-2 shift is exceptionally harder than normal. All the other shifts are like usual, but unless I let off the gas for the 1-2, it...